IT7948527A0 - PROCEDURE FOR THE REGENERATION OF THE COAL USED IN THE WET PRODUCTION PROCESS OF PHOSPHORIC ACID - Google Patents

PROCEDURE FOR THE REGENERATION OF THE COAL USED IN THE WET PRODUCTION PROCESS OF PHOSPHORIC ACID

Info

Publication number
IT7948527A0
IT7948527A0 IT7948527A IT4852779A IT7948527A0 IT 7948527 A0 IT7948527 A0 IT 7948527A0 IT 7948527 A IT7948527 A IT 7948527A IT 4852779 A IT4852779 A IT 4852779A IT 7948527 A0 IT7948527 A0 IT 7948527A0
Authority
IT
Italy
Prior art keywords
regeneration
procedure
phosphoric acid
production process
coal used
Prior art date
Application number
IT7948527A
Other languages
Italian (it)
Original Assignee
Calgon Corp
U S A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Calgon Corp, U S A filed Critical Calgon Corp
Publication of IT7948527A0 publication Critical patent/IT7948527A0/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/30—Alkali metal phosphates
    • C01B25/308—Methods for converting an alkali metal orthophosphate into another one; Purification; Decolorasing; Dehydrating; Drying
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration
    • C01B25/235—Clarification; Stabilisation to prevent post-precipitation of dissolved impurities
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/30—Active carbon
    • C01B32/354—After-treatment
    • C01B32/36—Reactivation or regeneration
IT7948527A 1978-03-30 1979-03-29 PROCEDURE FOR THE REGENERATION OF THE COAL USED IN THE WET PRODUCTION PROCESS OF PHOSPHORIC ACID IT7948527A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US89204378A 1978-03-30 1978-03-30

Publications (1)

Publication Number Publication Date
IT7948527A0 true IT7948527A0 (en) 1979-03-29

Family

ID=25399264

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7948527A IT7948527A0 (en) 1978-03-30 1979-03-29 PROCEDURE FOR THE REGENERATION OF THE COAL USED IN THE WET PRODUCTION PROCESS OF PHOSPHORIC ACID

Country Status (8)

Country Link
EP (1) EP0004807B1 (en)
JP (1) JPS54133498A (en)
AU (1) AU520262B2 (en)
CA (1) CA1124031A (en)
DE (1) DE2962375D1 (en)
DK (1) DK128479A (en)
IT (1) IT7948527A0 (en)
ZA (1) ZA791501B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4407725A (en) * 1980-08-21 1983-10-04 International Minerals & Chemical Corp. Regeneration of activated carbon
US4558022A (en) * 1981-02-06 1985-12-10 Calgon Carbon Corporation Regeneration of caustic impregnated activated carbons
DE4222524A1 (en) * 1992-07-09 1994-01-13 Schaeffler Waelzlager Kg Regenerating used phosphate baths - by adding active carbon to remove organic decomposition products
WO2000066490A1 (en) * 1999-05-03 2000-11-09 Norit Nederland B.V. Regeneration of activated carbon
WO2005079977A1 (en) * 2004-01-15 2005-09-01 Envirotrol Inc. Method and system for providing certified reactivated carbon
CN102417178A (en) * 2011-09-01 2012-04-18 福建元力活性炭股份有限公司 Method for removing polyphosphate from activated carbon of phosphoric acid method
CN103896267A (en) * 2012-12-27 2014-07-02 福建大青实业有限公司 Processing technology of shell carrier activated carbon
CN113247895A (en) * 2021-04-20 2021-08-13 福建省芝星炭业股份有限公司 Production method for reducing phosphate ash content of phosphoric acid method activated carbon
CN116585848B (en) * 2023-06-28 2024-02-27 广州华科环保工程有限公司 Method for concentrated collection and resource regeneration after organic waste gas dispersion treatment in printing and dyeing industry
CN117160184A (en) * 2023-08-17 2023-12-05 清远市富盈电子有限公司 Processing device and processing method for VOCs (volatile organic compounds) during PCB production

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR481511A (en) * 1916-04-17 1916-12-13 Joseph Bruno Animal black regeneration process
US1533031A (en) * 1917-07-26 1925-04-07 Naamlooze Vennootschap Norit W Process of regenerating decolorizing carbon
GB934695A (en) * 1959-06-11 1963-08-21 Carbonisation Charbons Actifs Absorbent regeneration
US3186793A (en) * 1960-10-10 1965-06-01 Internat Minerals & Chemicals Clarification of acidic phosphatic solutions
GB1103224A (en) * 1964-07-28 1968-02-14 Marchon Products Ltd Improvements in the manufacture of phosphoric acid
DE2206706A1 (en) * 1972-02-12 1973-08-23 Adsorptionstech Lab Regeneration of active carbon adsorbents - with aliphatic cpds contg free amino gps
JPS5018388A (en) * 1973-06-21 1975-02-26

Also Published As

Publication number Publication date
ZA791501B (en) 1980-11-26
EP0004807B1 (en) 1982-03-31
EP0004807A3 (en) 1979-10-31
CA1124031A (en) 1982-05-25
AU520262B2 (en) 1982-01-21
DK128479A (en) 1979-10-01
AU4533979A (en) 1979-10-04
EP0004807A2 (en) 1979-10-17
DE2962375D1 (en) 1982-05-06
JPS54133498A (en) 1979-10-17

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